In a laser printer, which of the following components carries the toner, before it is used by the EP
process?

A.
The drum

B.
Developer

C.
Toner cartridge

D.
None of the above

Explanation:
The toner contains a medium called the developer (carrier), which “carries” the toner until it is
used by the EP process.
Incorrect Answers:
A: This drum is coated with a photosensitive material that can hold a static charge
C: The EP toner cartridge holds the toner.
D: The toner contains a medium called the developer (carrier), which “carries” the toner until it is
used by the EP process.Reference:David Groth and Dan Newland, A+ Complete Study Guide
(Second Edition), Sybex, Alameda, CA, 2001, p. 247